package main

import (
	"fmt"
	"runtime"
	"sync"
)

type p struct {
	age int
	name string
	aihao []string
}
func main()  {
	var a map[int]string
	a = make(map[int]string)
	a[2] = "dd"
	fmt.Println(a)
	for i:=0; i<11;i++  {
	}
	var aa sync.RWMutex
	aa.RLock()
	 go func() {}()
	 go func() {}()
	fmt.Println(runtime.NumGoroutine())

}

